Specifications Material: Aluminum Compatible: 20Mm Rail Package Includes: 1X Light Mount Color: Black Features Ambidextrous Mount Created With Aluminum Material For Durability. Compatible With A Standard Picatinny Rail Surface. Mount Places Compatible Lights At A 45 Degree Angle. Connects With Direct Attachments Of Lights And Lasers W/ Picatinny Rail Mounts. Easy And Quick Release System From Compatible Rail. Capable To Attach Onto Lasers And Flashlights With A 21Mm Diameter.